If you have installed the Diablo III beta at any point and intend to install Diablo III, please make sure that all Diablo III beta files are removed from your system prior to installing the full game.
This includes the Battle.net folder, which can be found in the following locations:
C:\Documents and Settings\All Users\Application Data\Battle.net
Once this folder and all other beta files are removed, simply run the installer again.
Threats of violence. We take these seriously and will alert the proper authorities.
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